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(3) Controllability through communication
Condition
Operation
(Pr. 551
Location
Setting)
Item
Run command (start)
Run command (stop)
Running frequency
2
setting
(PU
Monitor
connector)
Parameter write
Parameter read
Inverter reset
Run command (start)
Run command (stop)
Running frequency
setting
Except for 2
Monitor
Parameter write
Parameter read
Inverter reset
Run command(start,
stop)
Running frequency
1
setting
(RS-485
Monitor
terminals)
Parameter write
Parameter read
Inverter reset
Run command
(start, stop)
Running frequency
setting
Except for 1
Monitor
Parameter write
Parameter read
Inverter reset
Run command
(start, stop)
Running frequency
setting
Monitor
Parameter write
Parameter read
Inverter reset
Inverter reset
Run command
(start, stop)
Frequency setting
*1
As set in Pr. 338 Communication operation command source and Pr. 339 Communication speed command source. (Refer to page 184)
*2
At occurrence of RS-485 communication error, the inverter cannot be reset from the computer.
*3
Enabled only when stopped by the PU. At a PU stop, PS is displayed on the operation panel. As set in Pr. 75
*4
Some parameters may be write-disabled according to the Pr. 77
*5
Some parameters are write-enabled independently of the operation mode and command source presence/absence. When Pr. 77 = 2, write is
enabled. (Refer to page 55 for the parameter list)Parameter clear is disabled.
*6
When Pr. 550 NET mode operation command source selection = 1 (RS-485 terminals valid) or Pr. 550 NET mode operation command source selection =
9999 and the communication option is not fitted.
*7
When Pr. 550 NET mode operation command source selection = 0 (communication option valid) or Pr. 550 NET mode operation command source selection
= 9999 and the communication option is fitted.
Operation
Mode
PU
External
Operation
Operation
*3
*4
*5
*3
*3
*5
*5
*4
*5
*5
*5
*5
*5
Parameter write selection
Selection of operation mode and
External/PU
External/PU
Combined
Combined
Operation Mode
Operation
1
Mode 2
(Pr. 79 = 3)
(Pr. 79 = 4)
*3
*4
*4
*3
*3
*5
*5
*4
*4
*5
*5
*5
*5
: Enabled, : Disabled,
setting and operating status. (Refer to page 172)
operation location
NET Operation
NET Operation
(when RS-485
(when
communication
terminals are
option is used)
used)
*6
*3
*5
*3
*5
*5
*1
*1
*4
*5
*2
*1
*1
*5
*4
*2
*1
*1
: Some are enabled
PU stop selection
. (Refer to page 169)
185
*7
4

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